Service difficulty report · Lock Actuator · Boeing 737724

Difficulty date
March 7, 2012
Submitted
March 7, 2012
Operation
Air carrier
Aircraft
N13720
Make and model
Boeing 737724
Aircraft serial
28939
Aircraft time
43,971 hours, 14,198 cycles
Part
Lock Actuator
Part number
273A12011
Part serial
0236
Condition
Malfunctioned
Location
Nlg
Part time
43,970 hours, 14,198 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING AFTER T/O CHECKLIST NOSE GEAR UNSAFE (DISAGREEMENT) LIGHT ILLUMINATED. REPLACED NOSE GEAR LOCK ACTUATOR PER AMM 32-33-21. OPS AND LEAK CHECK NORMAL. GEAR INDICATION NORMAL. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1400184 S/N OFF 00236 ACTUATOR, NLG, OFF 29-3233-9-9001 0236 ON 29-3233-9-9001 0312.